Machines or devices using grinding or polishing belts (for sharpening cutting edges of tools B24B3/00; portable belt-grinding machines B24B23/06); Accessories therefor

Introduced: September 1968

Title

Titles differ between systems:

IPC: Machines or devices using grinding or polishing belts; Accessories therefor

CPC: Machines or devices using grinding or polishing belts (for sharpening cutting edges of tools B24B3/00; portable belt-grinding machines B24B23/06); Accessories therefor

Full Title

Full titles differ between systems:

IPC:

Machines or devices using grinding or polishing belts; Accessories therefor

CPC:

Machines or devices using grinding or polishing belts (for sharpening cutting edges of tools B24B3/00; portable belt-grinding machines B24B23/06); Accessories therefor

Additional Content IPC

For sharpening cutting edges of tools

Of 8 combined children, 4 exist in both systems.

4 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

Navigate with arrow keys, Enter to open

B24B 21/002 CPC only CPC only
B24B 21/004 CPC only CPC only
B24B 21/006 CPC only CPC only
B24B 21/008 CPC only CPC only
B24B 21/02 for grinding rotationally symmetrical surfaces +1 CPC IPC+CPC Available in IPC and CPC
B24B 21/04 for grinding plane surfaces IPC+CPC Available in IPC and CPC
B24B 21/16 for grinding other surfaces of particular shape (single purpose machines for grinding cams or camshafts B24B19/12) +1 CPC IPC+CPC Available in IPC and CPC
B24B 21/18 Accessories IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B24,2013–2023, worldwide · Source: EPO PATSTAT

DISCO ABRASIVE SYSTEM 3,084
APPLIED MATERIALS US 1,570
EBARA CORPORATION JP 1,393
DISCO CORPORATION JP 1,368
3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,270
EBARA CORPORATION 1,016
FUJIMI JP 829
ZHEJIANG UNIVERSITY OF TECHNOLOGY 804
ROBERT BOSCH DE 803
SAINT-GOBAIN ABRASIVES US 781

Top Applicants (CPC)

Class B24,2013–2023, worldwide · Source: EPO PATSTAT

DISCO CORPORATION JP 2,092
APPLIED MATERIALS US 1,813
EBARA CORPORATION JP 1,804
3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,329
ROBERT BOSCH DE 863
FUJIMI JP 858
SAINT-GOBAIN ABRASIVES US 833
EBARA CORPORATION 810
SAINT-GOBAIN ABRASIVES FR 782
DISCO ABRASIVE SYSTEM 735